From 1687d90d02bd6e8c7e095d52df9700b27fb692b1 Mon Sep 17 00:00:00 2001
From: On Freund <onfreund@gmail.com>
Date: Fri, 1 May 2020 11:36:51 +0300
Subject: [PATCH] Allow passing the current value to config flow input fields
 (#5603)

* Allow passing the current value to config flow input fields

* Fix lint errors

* Apply suggestions from code review

Co-Authored-By: Bram Kragten <mail@bramkragten.nl>

* Rename current_value to suggested_value to open up more use cases

* Update ha-form-integer.ts

Co-authored-by: Bram Kragten <mail@bramkragten.nl>
---
 src/components/ha-form/ha-form-integer.ts | 7 ++++++-
 src/components/ha-form/ha-form.ts         | 2 +-
 src/dialogs/config-flow/step-flow-form.ts | 4 +++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/components/ha-form/ha-form-integer.ts b/src/components/ha-form/ha-form-integer.ts
index 9fe0929b84..0e5674edfb 100644
--- a/src/components/ha-form/ha-form-integer.ts
+++ b/src/components/ha-form/ha-form-integer.ts
@@ -77,7 +77,12 @@ export class HaFormInteger extends LitElement implements HaFormElement {
   }
 
   private get _value() {
-    return this.data || this.schema.default || 0;
+    return (
+      this.data ||
+      this.schema.description?.suggested_value ||
+      this.schema.default ||
+      0
+    );
   }
 
   private _handleCheckboxChange(ev: Event) {
diff --git a/src/components/ha-form/ha-form.ts b/src/components/ha-form/ha-form.ts
index ff452c6590..be6b4eb1da 100644
--- a/src/components/ha-form/ha-form.ts
+++ b/src/components/ha-form/ha-form.ts
@@ -30,7 +30,7 @@ export interface HaFormBaseSchema {
   default?: HaFormData;
   required?: boolean;
   optional?: boolean;
-  description?: { suffix?: string };
+  description?: { suffix?: string; suggested_value?: HaFormData };
 }
 
 export interface HaFormIntegerSchema extends HaFormBaseSchema {
diff --git a/src/dialogs/config-flow/step-flow-form.ts b/src/dialogs/config-flow/step-flow-form.ts
index 5fe6c98cd5..591f3d7135 100644
--- a/src/dialogs/config-flow/step-flow-form.ts
+++ b/src/dialogs/config-flow/step-flow-form.ts
@@ -122,7 +122,9 @@ class StepFlowForm extends LitElement {
 
     const data = {};
     this.step.data_schema.forEach((field) => {
-      if ("default" in field) {
+      if (field.description?.suggested_value) {
+        data[field.name] = field.description.suggested_value;
+      } else if ("default" in field) {
         data[field.name] = field.default;
       }
     });